单词	Crookes tube
释义	Crookes tube noun : a vacuum tube evacuated to a pressure of about .04 mm of mercury for demonstrating the properties of cathode rays Word History Etymology after Sir Wm. Crookes
随便看	gratuitousnesses gratuity gratulant gratulate gratulated gratulates gratulating gratulation mniums mns MNT mntn mo mo de ri mo development mo me im mo sum: hu Mo Yan mo's fire mo-luminarism mo-luminarist mo-oc mo-quarto Mo-tzu moa

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